diff options
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/Kconfig | 42 | ||||
| -rw-r--r-- | arch/alpha/include/asm/dma-mapping.h | 2 | ||||
| -rw-r--r-- | arch/alpha/kernel/pci_iommu.c | 16 |
3 files changed, 19 insertions, 41 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 5b4f88363453..584a6e114853 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -5,7 +5,11 @@ config ALPHA select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO select ARCH_NO_PREEMPT + select ARCH_NO_SG_CHAIN select ARCH_USE_CMPXCHG_LOCKREF + select FORCE_PCI if !ALPHA_JENSEN + select PCI_DOMAINS if PCI + select PCI_SYSCALL if PCI select HAVE_AOUT select HAVE_IDE select HAVE_OPROFILE @@ -15,6 +19,7 @@ config ALPHA select NEED_SG_DMA_LENGTH select VIRT_TO_BUS select GENERIC_IRQ_PROBE + select GENERIC_PCI_IOMAP if PCI select AUTO_IRQ_AFFINITY if SMP select GENERIC_IRQ_SHOW select ARCH_WANT_IPC_PARSE_VERSION @@ -125,11 +130,13 @@ choice config ALPHA_GENERIC bool "Generic" depends on TTY + select HAVE_EISA help A generic kernel will run on all supported Alpha hardware. config ALPHA_ALCOR bool "Alcor/Alpha-XLT" + select HAVE_EISA help For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O @@ -202,7 +209,7 @@ config ALPHA_EIGER config ALPHA_JENSEN bool "Jensen" depends on BROKEN - select DMA_DIRECT_OPS + select HAVE_EISA help DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one of the first-generation Alpha systems. A number of these systems @@ -219,6 +226,7 @@ config ALPHA_LX164 config ALPHA_LYNX bool "Lynx" + select HAVE_EISA help AlphaServer 2100A-based systems. @@ -229,6 +237,7 @@ config ALPHA_MARVEL config ALPHA_MIATA bool "Miata" + select HAVE_EISA help The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a, or 600au). @@ -248,6 +257,7 @@ config ALPHA_NONAME_CH config ALPHA_NORITAKE bool "Noritake" + select HAVE_EISA help AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based systems. @@ -260,6 +270,7 @@ config ALPHA_P2K config ALPHA_RAWHIDE bool "Rawhide" + select HAVE_EISA help AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines. See HOWTO at @@ -279,6 +290,7 @@ config ALPHA_SX164 config ALPHA_SABLE bool "Sable" + select HAVE_EISA help Digital AlphaServer 2000 and 2100-based systems. @@ -319,24 +331,6 @@ config ISA_DMA_API bool default y -config PCI - bool - depends on !ALPHA_JENSEN - select GENERIC_PCI_IOMAP - default y - help - Find out whether you have a PCI motherboard. PCI is the name of a - bus system, i.e. the way the CPU talks to the other stuff inside - your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or - VESA. If you have PCI, say Y, otherwise N. - -config PCI_DOMAINS - bool - default y - -config PCI_SYSCALL - def_bool PCI - config ALPHA_NONAME bool depends on ALPHA_BOOK1 || ALPHA_NONAME_CH @@ -526,11 +520,6 @@ config ALPHA_SRM If unsure, say N. -config EISA - bool - depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE - default y - config ARCH_MAY_HAVE_PC_FDC def_bool y @@ -681,11 +670,6 @@ config HZ default 1200 if HZ_1200 default 1024 -source "drivers/pci/Kconfig" -source "drivers/eisa/Kconfig" - -source "drivers/pcmcia/Kconfig" - config SRM_ENV tristate "SRM environment through procfs" depends on PROC_FS diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h index 8beeafd4f68e..0ee6a5c99b16 100644 --- a/arch/alpha/include/asm/dma-mapping.h +++ b/arch/alpha/include/asm/dma-mapping.h @@ -7,7 +7,7 @@ extern const struct dma_map_ops alpha_pci_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { #ifdef CONFIG_ALPHA_JENSEN - return &dma_direct_ops; + return NULL; #else return &alpha_pci_ops; #endif diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index 46e08e0d9181..aa0f50d0f823 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -291,7 +291,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size, use direct_map above, it now must be considered an error. */ if (! alpha_mv.mv_pci_tbi) { printk_once(KERN_WARNING "pci_map_single: no HW sg\n"); - return 0; + return DMA_MAPPING_ERROR; } arena = hose->sg_pci; @@ -307,7 +307,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size, if (dma_ofs < 0) { printk(KERN_WARNING "pci_map_single failed: " "could not allocate dma page tables\n"); - return 0; + return DMA_MAPPING_ERROR; } paddr &= PAGE_MASK; @@ -443,7 +443,7 @@ static void *alpha_pci_alloc_coherent(struct device *dev, size_t size, gfp &= ~GFP_DMA; try_again: - cpu_addr = (void *)__get_free_pages(gfp, order); + cpu_addr = (void *)__get_free_pages(gfp | __GFP_ZERO, order); if (! cpu_addr) { printk(KERN_INFO "pci_alloc_consistent: " "get_free_pages failed from %pf\n", @@ -455,7 +455,7 @@ try_again: memset(cpu_addr, 0, size); *dma_addrp = pci_map_single_1(pdev, cpu_addr, size, 0); - if (*dma_addrp == 0) { + if (*dma_addrp == DMA_MAPPING_ERROR) { free_pages((unsigned long)cpu_addr, order); if (alpha_mv.mv_pci_tbi || (gfp & GFP_DMA)) return NULL; @@ -671,7 +671,7 @@ static int alpha_pci_map_sg(struct device *dev, struct scatterlist *sg, sg->dma_address = pci_map_single_1(pdev, SG_ENT_VIRT_ADDRESS(sg), sg->length, dac_allowed); - return sg->dma_address != 0; + return sg->dma_address != DMA_MAPPING_ERROR; } start = sg; @@ -935,11 +935,6 @@ iommu_unbind(struct pci_iommu_arena *arena, long pg_start, long pg_count) return 0; } -static int alpha_pci_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return dma_addr == 0; -} - const struct dma_map_ops alpha_pci_ops = { .alloc = alpha_pci_alloc_coherent, .free = alpha_pci_free_coherent, @@ -947,7 +942,6 @@ const struct dma_map_ops alpha_pci_ops = { .unmap_page = alpha_pci_unmap_page, .map_sg = alpha_pci_map_sg, .unmap_sg = alpha_pci_unmap_sg, - .mapping_error = alpha_pci_mapping_error, .dma_supported = alpha_pci_supported, }; EXPORT_SYMBOL(alpha_pci_ops); |